To MessagePack

Converts JSON to MessagePack encoded byte buffer. MessagePack is a computer data interchange format. It is a binary form for representing simple data structures like arrays and associative arrays. To MessagePack lives in the Data format category of the fx menu. See MessagePack for format details.

Parameter

Parameter	Type	Required	Default	Description
Input	string	yes	—	Value to transform. Previous step output or a literal.

Input is the primary value (previous step output or a literal).

Returned value

Type	Description
string	Result of the To MessagePack transformation.

Limitations

• Invalid or mismatched encoding for the chosen options typically raises an evaluation error — fix the Input or options before re-running.

Example

Encode JSON as MessagePack

Convert a JSON document into MessagePack binary (shown as encoded bytes in Studio).

1. Set Input to a JSON object or array. Paste:

   Input

   {"ok":true}

2. Confirm Output value is the MessagePack-encoded byte representation.